Transcend 4 GB Class 4 microSDHC Flash Memory Card TS4GUSDHC4 SDHC Class 4 and SD 2.0 compliant, a speed of 4MB/s is guaranteed Compatible with today's most popular cell phones and portable devices Includes a full size SD adapter for multi-use or data transfer Exceptional durability of 10,000 insertion and long-life data retention Limited lifetime Warranty, the data host you can trust SDHC Class 4 and SD 2.0 compliant, a speed of 4MB/s is guaranteed Compatible with today's most popular cell phones and portable devices Includes a full size SD adapter for multi-use or data transfer Exceptional durability of 10,000 insertion and long-life data retention Limited lifetime Warranty, the data host you can trust Built-in Error Correcting Code (ECC) to detect and correct transfer errors Supports Content Protection for Recordable Media (CPRM) Complies with Secure Digital Music Initiative (SDMI) portable device requirements